/* ==========================================
   FEATURES PAGE - NimbusLearn
   ========================================== */

/* Feature blocks - alternating layout */
.feature-block {
    padding: 80px 0;
}

.feature-block:nth-child(even) {
    background: var(--bg-dark-card);
}

.feature-block-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-block.reversed .feature-block-inner {
    direction: rtl;
}

.feature-block.reversed .feature-block-inner > * {
    direction: ltr;
}

.feature-block-text h2 {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.feature-block-text > p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.feature-bullets {
    list-style: none;
    padding: 0;
}

.feature-bullets li {
    position: relative;
    padding: 8px 0 8px 28px;
    font-size: 15px;
    color: var(--text-secondary);
}

.feature-bullets li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    border: 1.5px solid rgba(16, 185, 129, 0.3);
}

.feature-bullets li::after {
    content: '\2713';
    position: absolute;
    left: 4px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: var(--primary);
    font-weight: 700;
}

/* Feature visual placeholder */
.feature-block-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-visual-card {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4/3;
    background: var(--bg-lighter);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-md);
}

.visual-line {
    height: 12px;
    background: var(--border-color);
    border-radius: 6px;
}

.visual-line.w-80 { width: 80%; }
.visual-line.w-60 { width: 60%; }
.visual-line.w-40 { width: 40%; }
.visual-line.accent {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: auto;
}

.visual-box {
    height: 50px;
    background: var(--bg-dark-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

/* Platform section */
.platform-section {
    background: var(--bg-dark-card);
    padding: 80px 0;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.platform-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    transition: var(--transition);
}

.platform-card:hover {
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.platform-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

.platform-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.platform-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 1024px) {
    .feature-block-inner { grid-template-columns: 1fr; gap: 40px; }
    .feature-block.reversed .feature-block-inner { direction: ltr; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .feature-block { padding: 60px 0; }
    .feature-block-text h2 { font-size: 28px; }
    .platform-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 100px 0 40px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .feature-block {
        padding: 40px 0;
    }
    
    .feature-block-text h2 {
        font-size: 24px;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
}